Tell your doctor about all your other medicines, especially:
CYP3A substrates (such as acetaminophen, codeine, ciclosporin, diazepam, and erythromycin)
CYP3A inducers (such as rifampicin)
CYP1A2 substrates, such as caffeine, clozapine, tacrine, propranolol, and mexiletine.
Should not be used in combination with other JAK inhibitors, biologic immunomodulators, cyclosporine, or other potent immunosuppressants.
This list is not complete. Other drugs may affect ritlecitinib, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible drug interactions are listed here.
